julian@julian-Satellite-L305:~/cube$ ./cube_unix
./cube_unix: 42: exec: /home/julian/cube/bin_unix/linux_client: not found
julian@julian-Satellite-L305:~/cube$ cd bin_unix
julian@julian-Satellite-L305:~/cube/bin_unix$ ls -lha
total 616K
drwxr-xr-x 2 julian 1001 4.0K Aug 29  2005 .
drwxr-xr-x 9 julian 1001 4.0K Feb 15 19:16 ..
-rwxr-xr-x 1 julian 1001 297K Aug 29  2005 freebsd_client
-rwxr-xr-x 1 julian 1001  44K Aug 29  2005 freebsd_server
-rwxrwxr-x 1 julian 1001 222K Aug 29  2005 linux_client
-rwxr-xr-x 1 julian 1001  36K Aug 29  2005 linux_server
-rw-r--r-- 1 julian 1001  596 Jun 24  2002 readme.txt